9. Operation noise (sound pressure)
9-1. Noise level curve
¢
Model: AOHG24LBCB
Cooling
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63 125 250 500 1,000 2,000 4,000 8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Heating
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63 125 250 500 1,000 2,000 4,000 8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
9-2. Sound level check point
1 m
MicrophoneMicrophone
Rear
NOTE:
Detailed shape of the actual outdoor unit might be slightly different from the one illustrat-
ed above.
DESIGN & TECHNICAL MANUAL
- 48 -
OUTDOOR UNIT
AOHG24LBCB